ftrace: return an error when setting a nonexistent tracer

[linux-2.6.git] / kernel / params.c

diff --git a/kernel/params.c b/kernel/params.c
index 42fe5e6126c0948e5b6859f5fcc75ebb71e2b039..afc46a23eb6d15ebfb328f242979d75998d6d4c4 100644 (file)
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -180,12 +180,12 @@ int parse_args(const char *name,
 #define STANDARD_PARAM_DEF(name, type, format, tmptype, strtolfn)              \
        int param_set_##name(const char *val, struct kernel_param *kp)  \
        {                                                               \
-               char *endp;                                             \
                tmptype l;                                              \
+               int ret;                                                \
                                                                        \
                if (!val) return -EINVAL;                               \
-               l = strtolfn(val, &endp, 0);                            \
-               if (endp == val || ((type)l != l))                      \
+               ret = strtolfn(val, 0, &l);                             \
+               if (ret == -EINVAL || ((type)l != l))                   \
                        return -EINVAL;                                 \
                *((type *)kp->arg) = l;                                 \
                return 0;                                               \
@@ -195,13 +195,13 @@ int parse_args(const char *name,
                return sprintf(buffer, format, *((type *)kp->arg));     \
        }
 
-STANDARD_PARAM_DEF(byte, unsigned char, "%c", unsigned long, simple_strtoul);
-STANDARD_PARAM_DEF(short, short, "%hi", long, simple_strtol);
-STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", unsigned long, simple_strtoul);
-STANDARD_PARAM_DEF(int, int, "%i", long, simple_strtol);
-STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, simple_strtoul);
-STANDARD_PARAM_DEF(long, long, "%li", long, simple_strtol);
-STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, simple_strtoul);
+STANDARD_PARAM_DEF(byte, unsigned char, "%c", unsigned long, strict_strtoul);
+STANDARD_PARAM_DEF(short, short, "%hi", long, strict_strtol);
+STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", unsigned long, strict_strtoul);
+STANDARD_PARAM_DEF(int, int, "%i", long, strict_strtol);
+STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, strict_strtoul);
+STANDARD_PARAM_DEF(long, long, "%li", long, strict_strtol);
+STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, strict_strtoul);
 
 int param_set_charp(const char *val, struct kernel_param *kp)
 {
@@ -272,7 +272,7 @@ static int param_array(const char *name,
                       unsigned int min, unsigned int max,
                       void *elem, int elemsize,
                       int (*set)(const char *, struct kernel_param *kp),
-                      int *num)
+                      unsigned int *num)
 {
        int ret;
        struct kernel_param kp;